发情的英文：
oestrus
rut
diagnostics of estrus
发情诊断法
A man without reason is a beast in season
人无理智就像是一头发情的野兽
incomplete heat
不完全发情
Aha, the son of a bitch& a dog in heat!
啊哈，一个狗杂种，一条发情的狗！
Environment can sometimes alter the rutting age of an animal.
有时环境可以改变动物发情的年龄。
When the bull elephant desires sexual activity, he approaches the matriarch-led herd
当公象发情时，接近母象群。
Most wild carnivorous mammals are monestrous.
大多数肉食野生动物都是每年发情一次。
n. 发情,牛虻
rut是什么意思：
n. 车辙；老一套，惯例；发情期
v. 挖槽，犁；留下车辙
It's a stag in rut.
它是一头处于发情期的牡鹿。
And I am a rut buster, I'm going to bust your rut.
而我则是一个成规破坏者，我要破坏你的成规。
Environment can sometimes alter the rutting age of an animal.
有时环境可以改变动物发情的年龄。
There are two elks sparring during the autumn rut.
有两头麋鹿在秋季的发情期互相打斗。
The heavy-duty trucks were rutting the road.
重型卡车在公路上留下车辙。